Rizna Rahmi. 2020. “ENGUJIAN ARAKTERISTIK ISIK AN UALITAS UMBER IR ANAH SRAMA AHASISWA IN R ANIRY ENGGUNAKAN ETODE TORET”. ingkar: ournal of nvironmental ngineering 1 (1), 27-36. https://doi.org/10.22373/ljee.v1i1.848.